15122323230 has 32 divisors (see below), whose sum is σ = 41478372864. Its totient is φ = 3456530976.

The previous prime is 15122323219. The next prime is 15122323247. The reversal of 15122323230 is 3232322151.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 15122323230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36005322 + ... + 36005741.

It is an arithmetic number, because the mean of its divisors is an integer number (1296199152).

Almost surely, 2^15122323230 is an apocalyptic number.

15122323230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15122323230 is an abundant number, since it is smaller than the sum of its proper divisors (26356049634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15122323230 is a wasteful number, since it uses less digits than its factorization.

15122323230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72011080.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 15122323230 its reverse (3232322151), we get a palindrome (18354645381).

The spelling of 15122323230 in words is "fifteen billion, one hundred twenty-two million, three hundred twenty-three thousand, two hundred thirty".